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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| const {wad4human} = require("@decentral.ee/web3-helpers/src/math-utils"); | ||
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| const timeout = ms => new Promise(resolve => setTimeout(resolve, ms)); | ||
| async function trigger (obj, ms) { | ||
| await timeout(ms); | ||
| await obj.sendReport(); | ||
| } | ||
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| class NotificationJobs { | ||
| constructor(app) { | ||
| this.app = app; | ||
| } | ||
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| async sendReport () { | ||
| const healthcheck = await this.app.healthReport.fullReport(); | ||
| if(!healthcheck.healthy) { | ||
| const healthData = `Healthy: ${healthcheck.healthy}\nChainId: ${healthcheck.network.chainId}`; | ||
| this.app.notifier.sendNotification(healthData); | ||
| } | ||
| } | ||
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| async start () { | ||
| // run every hour ( value in ms) | ||
| this.run(this, 3600*1000); | ||
| } | ||
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| async run (self, time) { | ||
| if (self.app._isShutdown) { | ||
| self.app.logger.info(`app.shutdown() - closing NotificationJobs`); | ||
| return; | ||
| } | ||
| await trigger(self, time); | ||
| await this.run(self, time); | ||
| } | ||
| } | ||
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| module.exports = NotificationJobs; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| const EventEmitter = require('events'); | ||
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| class Notifier extends EventEmitter { | ||
| sendNotification(message) { | ||
| this.emit('notification', `[${process.pid}]: ${message}`); | ||
| } | ||
| } | ||
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| module.exports = Notifier; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,38 @@ | ||
| const { IncomingWebhook } = require("@slack/webhook"); | ||
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| /* | ||
| Slack Notifier service | ||
| This is not called directly, but is used by the Notifier service | ||
| */ | ||
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| class SlackNotifier { | ||
| constructor(app, options) { | ||
| if (!app.config.SLACK_WEBHOOK_URL) { | ||
| throw new Error('Slack webhook url must be set in config'); | ||
| } | ||
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| // notification service must be initialized | ||
| if (!app.notifier) { | ||
| throw new Error('Notifier must be initialized before SlackNotifier'); | ||
| } | ||
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| this.app = app; | ||
| this.webhook = new IncomingWebhook(app.config.SLACK_WEBHOOK_URL, options); | ||
| this.app.notifier.on('notification', message => { | ||
| this.sendNotification(message); | ||
| }); | ||
| } | ||
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| async sendNotification(message) { | ||
| try { | ||
| await this.webhook.send({ | ||
| text: message, | ||
| }); | ||
| this.app.logger.info(`SlackNotifier: Sent notification to Slack: ${message}`); | ||
| } catch (error) { | ||
| this.app.logger.error(`SlackNotifier: Error sending notification to Slack: ${error}`); | ||
| } | ||
| } | ||
| } | ||
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| module.exports = SlackNotifier; |
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